US3210877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater weapon
Assignee: Individual
•
Filing: 1964-01-02
•
Granted: 1965-10-12
•
Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Frank V Liberatore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:03
CPC Classifications
A; A01; A01M; A01M27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN UNDERWATER WEAPON COMPRISING A SHAFT HEAD ADAPTED TO BE SECURED TO THE FORWARD END OF A CONVENTIONAL SPEAR SHAFT OR THE LIKE IN LIEU OF THE CONVENTIONAL SPEAR HEAD THEREFOR AND TO FIRE A LOADED SHELL UPON IMPACT OF THE SHAFT HEAD WITH A TARGET, SAID SHAFT HEAD COMPRISING BASE MEANS INCLUDING FRONT AND REAR ENDS AND ADAPTED TO BE SECURED, AT ITS REAR END, TO THE FORWARD END OF A SPEAR SHAFT, THE FRONT END OF SAID BASE MEANS INCLUDING A SHANK PORTION EXTENDING FORWARDLY FROM SAID BASE MEANS, ELONGATED BARREL MEANS INCLUDING FRONT AND REAR ENDS AND DEFINING A SHOT BORE OPENING OUTWARDLY OF THE FRONT END THEREOF AND A SHELL RECEIVING CHAMBER OPENING OUTWARDLY OF THE REAR END THEREOF, SLEEVE MEANS RECIPROCAL ON SAID SHANK PORTION AND INCLUDING A FORWARD END REMOVABLY SECURED IN THE REAR END OF SAID SHELL RECEIVING CHAMBER SLIDABLY MOUNTING
Claim 2
Dependent Claim
148 words
AN UNDERWATER WEAPON COMPRISING A SHAFT HEAD ADAPTED TO BE SECURED TO THE FORWARD END OF A CONVENTIONAL SPEAR SHAFT OR THE LIKE IN LIEU OF THE CONVENTIONAL SPEAR HEAD THEREFOR AND TO FIRE A LOADED SHELL UPON IMPACT OF THE SHAFT HEAD WITH A TARGET, SAID SHAFT HEAD COMPRISING BASE MEANS INCLUDING FRONT AND REAR ENDS AND ADAPTED TO BE SECURED, AT ITS REAR END, TO THE FORWARD END OF A SPEAR SHAFT, THE FRONT END OF SAID BASE MEANS INCLUDING A SHANK PORTION EXTENDING FORWARDLY FROM SAID BASE MEANS, ELONGATED BARREL MEANS INCLUDING FRONT AND REAR ENDS AND DEFINING A SHOT BORE OPENING OUTWARDLY OF THE FRONT END THEREOF AND A SHELL RECEIVING CHAMBER OPENING OUTWARDLY OF THE REAR END THEREOF, SLEEVE MEANS RECIPROCAL ON SAID SHANK PORTION AND INCLUDING A FORWARD END REMOVABLY SECURED IN THE REAR END OF SAID SHELL RECEIVING CHAMBER SLIDABLY MOUNTING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |